The Cressi Eyes Evolution Crystal Mask comes with all of the great features of the Big Eyes Evolution Crystal Mask, but in a Smaller Size that’s perfect for Women and Smaller Faces. Crystal Silicone is an Exclusive Cressi Material that’s so clear the Mask’s Skirt is Virtually Invisible when Diving. This revolutionary mask is made from Crystal Clear Hypoallergenic High Seal Soft Silicone Rubber, a new material that offers Extraordinary and Unprecedented Comfort and Fit. The Mask rests on the Face with this Unprecedented Silicone Rubber and does not leave any marks on the skin, even after extended use. So if you’re tired of your mask gives you ring-around the eyeballs, this mask is for you. Naturally, to obtain such a result the entire Structure of the Skirt is differentiated, with Internal Ribs that stiffen the parts of the Mask that are most stressed. Mask gives an Exceptionally Wide Field of View. The Raked Dual Tempered Glass Lenses, with their Inverted Tear Drop Shape (Cressi Patent) rest as close to the eyes as possible, so that the already extraordinary field of view is increased by 25% over the Cressi Matrix Mask. The Mask Strap uses the Exclusive Patented Cressi System of Double Injecting of a Flexible Elatomer on a rigid element which allows the Buckles of the Strap to mounted not on the Skirt Structure as done with other masks, but on the Indestructible elastic element that tilt on a vertical plane and can be completely bent sideways up to 180? degree curve.